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v3.26.1

Revenue - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 03, 2026 | Jun. 27, 2025 | Jul. 03, 2026 | Jun. 27, 2025 | Dec. 31, 2025
Disaggregation of Revenue [Line Items] |  |  |  |  |
Remaining performance obligation | $ 177.4 |  | $ 177.4 |  | $ 163.5
Contract liability | $ 215.0 |  | 215.0 |  | 207.2
Revenue recognized |  |  | $ 126.8 | $ 88.6 |
Revenue Benchmark | Customer Concentration Risk | Largest customer |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk percentage | 13.00% | 11.00% | 13.00% | 11.00% |
Clear Aligner Treatment Plans |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Remaining performance obligation | $ 134.9 |  | $ 134.9 |  | $ 128.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-04 |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Expected timing of satisfaction | 12 months |  | 12 months |  |

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